Patents by Inventor Yihong Yu

Yihong Yu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Utility knife
    Patent number: D896607
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: September 22, 2020
    Assignee: ZHEJIANG XINGDA STATIONERY CO., LTD
    Inventors: Chao Wang, Mingtao Huang, Yihong Yu